Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 30, NWS Norman, OK

March 29, 2013Cotton County, Oklahoma; Clay County, Wichita County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Mar 29, 2013, 6:40 PM CDT for Cotton County, Oklahoma; Clay County, Wichita County, Texas. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 29, 2013, 6:40 PM CDT (23:40 UTC)
Expired
Mar 29, 2013, 7:30 PM CDT
In force
50 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

Counties Cotton County, OK, Clay County, TX, Wichita County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 29, 3:56 PM CDTSevere Thunderstorm WatchSPC7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 29, 2:59 PM CDT, 3 hours 41 minutes earlier.

Area forecast discussion, Mar 29, 2:59 PM CDT, 3 hours 41 minutes before
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Hazardous weather outlook, Mar 29, 5:16 PM CDT, 1 hour 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
516 PM CDT FRI MAR 29 2013

OKZ004>048-050>052-TXZ083>090-301000-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
516 PM CDT FRI MAR 29 2013

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS EVENING AND OVERNIGHT...

THUNDERSTORM OUTLOOK...
A SLIGHT RISK OF SEVERE THUNDERSTORMS WILL REMAIN IN EFFECT THROUGH
THE OVERNIGHT HOURS.

LOCATION...
THE SLIGHT RISK AREA IS SOUTH AND WEST OF A LINE FROM WOODWARD TO
GUTHRIE AND SEMINOLE...TO ADA AND DURANT OKLAHOMA...INCLUDING ALL
OF WESTERN NORTH TEXAS.

TIMING...
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM 5 PM THIS
EVENING THROUGH 2 AM.

IMPACTS...
HAIL UP TO THE SIZE OF TENNIS BALLS AND WIND GUSTS TO 70 MPH WILL BE
POSSIBLE WITH THE STRONGEST STORMS.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS
AFTERNOON THROUGH MIDNIGHT.

DISCUSSION...
MOST SHOWERS AND STORMS THAT MOVED ACROSS CENTRAL OKLAHOMA LATE THIS
MORNING HAVE WEAKENED...AND EXITED THE REGION TO THE EAST.

THIS EVENING...MODERATE INSTABILITY...COMBINED WITH RELATIVELY WEAK
VERTICAL WIND SHEAR...WILL BE SUFFICIENT FOR SOME SEVERE STORMS FROM
NOW THROUGH THE OVERNIGHT HOURS. A MODEST CAP HAS KEPT MOST STORM ACTIVITY
FROM DEVELOPING THIS AFTERNOON...BUT THIS CAP IS EXPECTED TO WEAKEN AS AN
UPPER DISTURBANCE MOVES INTO THE TEXAS PANHANDLE AND WESTERN OKLAHOMA.
THIS WILL ALLOW FOR SCATTERED STORMS...A FEW OF WHICH MAY BE SEVERE...PRODUCING
LARGE HAIL AND DAMAGING WINDS.

STORMS ARE LIKELY TO CONTINUE INTO THE NIGHT...BUT A STRENGTHENING
SURFACE INVERSION WILL LIKELY CAUSE THE STORMS TO BECOME ELEVATED.
A FEW OF THESE STORMS MAY STILL BECOME STRONG TO SEVERE BUT THE
OVERALL INTENSITY OF THE STORMS WILL WEAKEN LATER THIS EVENING. HAIL
UP TO THE SIZE OF QUARTERS AND GUSTY WINDS WILL BE POSSIBLE WITH ANY
STRONG TO SEVERE STORMS AFTER MIDNIGHT.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT SATURDAY MAR 30.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...80 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

THUNDERSTORM OUTLOOK...
THERE WILL BE A CHANCE OF THUNDERSTORMS EACH DAY THROUGH MONDAY.
THERE IS A SLIGHT RISK OF SEVERE STORMS OVER MOST OF OKLAHOMA AND
NORTH TEXAS ON SATURDAY.

OTHER HAZARDOUS WEATHER...
SOME LIGHT SNOW IS POSSIBLE MONDAY NIGHT ACROSS NORTHERN OKLAHOMA...
AND FREEZING TEMPERATURES ARE EXPECTED TUESDAY AND WEDNESDAY MORNINGS
ACROSS MUCH OF CENTRAL AND NORTHERN OKLAHOMA.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM... WITH
UPDATES AS NEEDED.

CMS/MAXWELL/AUSTIN

In the hours before

Special weather statement, Mar 29, 2:13 PM CDT, 4 hours 27 minutes before
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Special weather statement, Mar 29, 2:39 PM CDT, 4 hours 1 minute before
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Special weather statement, Mar 29, 5:38 PM CDT, 1 hour 2 minutes before
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Local storm report, Mar 29, 6:07 PM CDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
607 PM CDT FRI MAR 29 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     HAIL             5 NNW EL RENO           35.62N 97.99W
03/29/2013  M1.00 INCH       CANADIAN           OK   TRAINED SPOTTER

&&

MBS
Local storm report, Mar 29, 6:33 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
633 PM CDT FRI MAR 29 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0628 PM     HAIL             3 NE CONCHO             35.65N 97.96W
03/29/2013  E1.25 INCH       CANADIAN           OK   TRAINED SPOTTER

&&

MDAY
Local storm report, Mar 29, 6:39 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
639 PM CDT FRI MAR 29 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0637 PM     HAIL             4 NE CONCHO             35.66N 97.95W
03/29/2013  E1.50 INCH       CANADIAN           OK   TRAINED SPOTTER

&&

MDAY

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 29, 8:51 AM CDTSpecial Weather StatementOUNCaddo24 min
Mar 29, 9:45 AM CDTSpecial Weather StatementOUNOklahoma30 min
Mar 29, 9:48 AM CDTSevere Thunderstorm WarningOUNCanadian, Cleveland, Grady, McClain, Oklahoma42 min
Mar 29, 9:58 AM CDTSpecial Weather StatementOUNGrady, McClain47 min
Mar 29, 10:25 AM CDTSpecial Weather StatementOUNCleveland20 min
Mar 29, 10:52 AM CDTSpecial Weather StatementOUNPottawatomie38 min
Mar 29, 11:01 AM CDTSpecial Weather StatementOUNMcClain44 min
Mar 29, 11:39 AM CDTSpecial Weather StatementOUNMurray36 min
Mar 29, 11:50 AM CDTSevere Thunderstorm WarningOUNCoal, Johnston, Murray, Pontotoc25 min
Mar 29, 12:03 PM CDTSpecial Weather StatementOUNGarvin27 min
Mar 29, 12:10 PM CDTSevere Thunderstorm WarningOUNCoal, Johnston, Pontotoc35 min
Mar 29, 12:23 PM CDTSpecial Weather StatementOUNGarvin37 min
Mar 29, 12:25 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal50 min
Mar 29, 12:35 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal, Johnston40 min
Mar 29, 12:46 PM CDTSpecial Weather StatementOUNPontotoc29 min
Mar 29, 12:54 PM CDTSpecial Weather StatementOUNPontotoc36 min
Mar 29, 1:02 PM CDTSpecial Weather StatementOUNAtoka28 min
Mar 29, 1:10 PM CDTSpecial Weather StatementOUNCoal35 min
Mar 29, 1:18 PM CDTSpecial Weather StatementOUNPontotoc27 min
Mar 29, 1:30 PM CDTSevere Thunderstorm WarningOUNCoal30 min
Mar 29, 1:41 PM CDTSevere Thunderstorm WarningOUNPontotoc34 min
Mar 29, 1:57 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal33 min
Mar 29, 2:13 PM CDTSpecial Weather StatementOUNCoal17 min
Mar 29, 2:39 PM CDTSpecial Weather StatementOUNAtoka36 min
Mar 29, 5:38 PM CDTSpecial Weather StatementOUNCanadian22 min
Mar 29, 5:55 PM CDTSevere Thunderstorm WarningOUNCanadian, Kingfisher50 min
Mar 29, 5:55 PM CDTSevere Thunderstorm WarningOUNTillman50 min
Mar 29, 6:42 PM CDTSevere Thunderstorm WarningOUNComanche, Kiowa, Tillman48 min
Mar 29, 6:46 PM CDTSevere Thunderstorm WarningOUNCanadian, Oklahoma44 min
Mar 29, 6:47 PM CDTSevere Thunderstorm WarningOUNKingfisher, Logan43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Severe Thunderstorm Warnings in Oklahoma, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.